A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
A repeating background of beige paper with vintage look. Repeats to infinity, as usual.
Source V. Hartikainen
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
The image depicts a seamless pattern of a snow crystal.I referred to a book called ”sekka-zusetsu” or "雪華図説" which means an illustrated explanation about snow crystals.This book was published in 1832 (天保3年) or Edo period.For more about "雪華図説",see here:dl.ndl.go.jp/info:ndljp/pid/2536975
Source Yamachem
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
A browner version of the original weathered fence texture.
Source Firkin
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev